Dau Tu Ky Tam Than Ha Tu Joint Stock Company Address: Civil Group 6, Khu 3, Ha Tu Ward, Ha Long City, Quang Ninh Province Enterprise code: 5700686947 Phone: 02033835697 Representative: Pham Thanh Hoa Adress: Civil Group 96, Khu 6, Bach Dang Ward, Ha Long City, Quang Ninh Province Ha Tu Ward, Ha Long City, Quang Ninh ProvinceFounding date: 29 - 10 - 2007